Description and travel 4 History 3 Natural history -- 2 World War, 1939-1945 -- 2 Adventure stories -- 1 Aerial operations, American 1 Airmen -- 1 more ... Botany -- 1 Cocentration camps -- 1 Coral reef animals -- 1 Coral reef conservation -- 1 Coral reef ecology -- 1 Dayak (Bornean people) 1 Deforestation -- 1 Economic conditions 1 Economic conditions -- 1 Ethnology -- 1 Forest conservation -- 1 Forest ecology -- 1 Guerrilla warfare -- 1 Guerrillas -- 1 History -- 1 Hunting and gathering societies -- 1 In English Language -- 1 Journey -- 1 Literature 1 Literature -- 1 Literature and folklore -- 1 Malay Archipelago -- 1 Names, Ethnological -- 1 less ...